 
 (defn validated
   "Return a function which constructs and instant by calling constructor
-after first validting that those arguments are in range and otherwise
+after first validating that those arguments are in range and otherwise
 plausible. The resulting function will throw an exception if called
 with invalid arguments."
   [new-instance]

;;; reader integration

(defn- construct-calendar
  "Construct a java.util.Calendar, which preserves, preserving the timezone
offset, but truncating the subsecond fraction to milliseconds."
  ^GregorianCalendar
  [years months days hours minutes seconds nanoseconds


(defn- construct-date
  "Construct a java.util.Date, which expresses the original instant as
milliseconds since the epoch, UTC."
  [years months days hours minutes seconds nanoseconds
   offset-sign offset-hours offset-minutes]
  (.getTime (construct-calendar years months days
